/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei", sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #f5f5f5;
}

a {
    text-decoration: none;
    color: #0066cc;
    transition: all 0.3s ease;
}

a:hover {
    color: #004499;
}

img {
    max-width: 100%;
    height: auto;
}

ul, ol {
    list-style: none;
}

.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 10px 24px;
    background-color: #0066cc;
    color: #fff;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-weight: 500;
    text-align: center;
    box-shadow: 0 2px 6px rgba(0, 102, 204, 0.2);
}

.btn:hover {
    background-color: #005bb8;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.3);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 102, 204, 0.2);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

.section-title h2:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 60px;
    height: 3px;
    background-color: #0066cc;
    transform: translateX(-50%);
}

.section-title p {
    font-size: 16px;
    color: #999;
    text-transform: uppercase;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 1000;
}

.top-bar {
    background-color: #f5f5f5;
    padding: 8px 0;
    border-bottom: 1px solid #e5e5e5;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-info span {
    margin-right: 20px;
    font-size: 12px;
    color: #666;
}

.contact-info i {
    margin-right: 5px;
    color: #0066cc;
}

.language-switch a {
    margin-left: 10px;
    font-size: 12px;
    color: #666;
}

.language-switch a.active {
    color: #0066cc;
    font-weight: bold;
}

.main-header {
    padding: 20px 0;
    background: linear-gradient(to right, #fff, #f8f9fa);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo img {
    height: 60px;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    padding: 12px 45px 12px 15px;
    border: 2px solid #e8e8e8;
    border-radius: 6px;
    outline: none;
    transition: all 0.3s ease;
    font-size: 14px;
    color: #333;
    background-color: #fff;
    font-family: inherit;
}

.search-box input:focus {
    border-color: #0066cc;
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.search-box input::placeholder {
    color: #aaa;
    font-size: 13px;
    transition: all 0.3s ease;
}

.search-box input:focus::placeholder {
    opacity: 0.7;
    transform: translateX(5px);
}

.search-box button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    height: 35px;
    width: 35px;
    background: none;
    border: none;
    cursor: pointer;
    color: #0066cc;
    transition: all 0.3s ease;
    border-radius: 50%;
}

.search-box button:hover {
    background-color: rgba(0, 102, 204, 0.1);
}

.main-nav {
    background: linear-gradient(to right, #0066cc, #0052a3);
    position: relative;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.nav-menu {
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 15px 25px;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.nav-menu > li > a:before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu > li:hover > a:before,
.nav-menu > li.active > a:before {
    width: 70%;
}

.nav-menu > li:hover > a,
.nav-menu > li.active > a {
    background-color: rgba(255, 255, 255, 0.1);
}

.nav-menu > li.has-dropdown:hover > a:after {
    transform: rotate(180deg);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
    padding: 8px 0;
}

.nav-menu > li.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li {
    position: relative;
}

.dropdown li a {
    display: block;
    padding: 10px 25px;
    color: #333;
    font-size: 14px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.dropdown li:hover > a {
    background-color: #f8f9fa;
    color: #0066cc;
    padding-left: 30px;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: block;
    padding: 15px 20px;
    color: #fff;
    font-size: 16px;
    position: relative;
    transition: all 0.3s ease;
}

.nav-menu > li > a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background-color: #fff;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-menu > li:hover > a:after,
.nav-menu > li.active > a:after {
    width: 80%;
}

.nav-menu > li:hover > a,
.nav-menu > li.active > a {
    background-color: rgba(0, 68, 153, 0.8);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
}

.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    width: 220px;
    background-color: #fff;
    border-radius: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    padding: 10px 0;
}

.nav-menu > li:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li {
    padding: 0 5px;
}

.dropdown li a {
    display: block;
    padding: 10px 15px;
    color: #333;
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.dropdown li a:hover {
    background-color: #f5f7fa;
    color: #0066cc;
    padding-left: 20px;
}

.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown li a {
    display: block;
    padding: 10px 15px;
    color: #333;
    border-bottom: 1px solid #f5f5f5;
}

.dropdown li a:hover {
    background-color: #f5f5f5;
    color: #0066cc;
}

/* 轮播图样式 */
.banner {
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.swiper-container {
    width: 100%;
    height: 100%;
}

.slide-content {
    position: relative;
    height: 500px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    padding: 60px 0;

    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(to right, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.3));
        z-index: 1;
    }

    .container {
        position: relative;
        z-index: 2;
        color: #fff;
        max-width: 800px;
    }

    h2 {
        font-size: 42px;
        font-weight: 600;
        margin-bottom: 20px;
        opacity: 0;
        transform: translateY(30px);
        animation: slideUp 0.8s forwards;
    }

    p {
        font-size: 18px;
        line-height: 1.6;
        opacity: 0;
        transform: translateY(30px);
        animation: slideUp 0.8s 0.3s forwards;
    }
}

.slide-content:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
}

.slide-content .container {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
}

.slide-content h2 {
    font-size: 36px;
    margin-bottom: 15px;
    animation: fadeInUp 1s ease;
}

.slide-content p {
    font-size: 18px;
    max-width: 600px;
    animation: fadeInUp 1s ease 0.3s;
    animation-fill-mode: both;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background-color: #fff;
    opacity: 0.7;
}

.swiper-pagination-bullet-active {
    opacity: 1;
    background-color: #0066cc;
}

.swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.6);
    opacity: 1;
    transition: all 0.3s ease;
}

.swiper-pagination-bullet-active {
    background: #fff;
    transform: scale(1.2);
}

.swiper-button-next,
.swiper-button-prev {
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.swiper-button-next:hover,
.swiper-button-prev:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

.swiper-button-next::after,
.swiper-button-prev::after {
    font-size: 24px;
    color: #fff;
}


/* 快速链接样式 */
.quick-links {
    padding: 60px 0;
    background-color: #fff;
    position: relative;
    z-index: 10;
    margin-top: -40px;
    padding: 30px 0;
    background-color: #fff;
    margin-top: -50px;
    position: relative;
    z-index: 10;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.quick-links .container {
    display: flex;
    justify-content: space-between;
}

.link-box {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 8px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);

    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(to right, #0066cc, #0052a3);
        transform: scaleX(0);
        transition: transform 0.3s ease;
        transform-origin: left;
    }

    &:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);

        &::before {
            transform: scaleX(1);
        }

        .more {
            color: #0066cc;
            padding-right: 30px;
        }
    }

    i {
        font-size: 36px;
        color: #0066cc;
        margin-bottom: 20px;
        display: inline-block;
        transition: all 0.3s ease;
    }

    h3 {
        font-size: 20px;
        color: #333;
        margin-bottom: 15px;
        font-weight: 600;
    }

    p {
        color: #666;
        margin-bottom: 20px;
        line-height: 1.6;
    }

    .more {
        color: #0066cc;
        font-weight: 500;
        position: relative;
        transition: all 0.3s ease;
        display: inline-block;

        &::after {
            content: '→';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            opacity: 0;
            transition: all 0.3s ease;
        }

        &:hover {
            padding-right: 30px;

            &::after {
                opacity: 1;
                right: 10px;
            }
        }
    }
    flex: 1;
    text-align: center;
    padding: 20px;
    border-right: 1px solid #f0f0f0;
    transition: all 0.3s ease;
}

.link-box:last-child {
    border-right: none;
}

.link-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.link-box i {
    font-size: 36px;
    color: #0066cc;
    margin-bottom: 15px;
    display: inline-block;
}

.link-box h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.link-box p {
    color: #666;
    margin-bottom: 15px;
}

.link-box .more {
    color: #0066cc;
    font-size: 14px;
}

.link-box .more:hover {
    color: #004499;
}

/* 关于我们样式 */
.about-section {
    padding: 80px 0;
    background-color: #f8f9fa;
    position: relative;
    overflow: hidden;

    &::before {
        content: '';
        position: absolute;
        top: -100px;
        right: -100px;
        width: 300px;
        height: 300px;
        background: linear-gradient(45deg, rgba(0, 102, 204, 0.1), rgba(0, 82, 163, 0.1));
        border-radius: 50%;
        z-index: 1;
    }
    padding: 60px 0;
    background-color: #f9f9f9;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
}

.about-text {
    flex: 1;
    padding-right: 30px;

    p {
        color: #666;
        line-height: 1.8;
        margin-bottom: 20px;
        font-size: 15px;
    }

    .btn {
        margin-top: 20px;
        padding: 12px 30px;
        font-size: 15px;
        font-weight: 500;
        letter-spacing: 0.5px;
        position: relative;
        overflow: hidden;

        &::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 0;
            height: 0;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            transition: width 0.6s ease, height 0.6s ease;
        }

        &:hover::before {
            width: 300px;
            height: 300px;
        }
    }
    flex: 1;
    padding-right: 30px;
}

.about-text p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #666;
}

.about-image {
    flex: 1;
    position: relative;

    img {
        width: 100%;
        border-radius: 10px;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    &::after {
        content: '';
        position: absolute;
        top: 20px;
        left: 20px;
        right: -20px;
        bottom: -20px;
        border: 2px solid #0066cc;
        border-radius: 10px;
        z-index: -1;
        opacity: 0.3;
    }

    &:hover img {
        transform: translate(-5px, -5px);
        box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    }
    flex: 1;
}

.about-image img {
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 产品中心样式 */
.product-section {
    padding: 80px 0;
    background-color: #fff;
    position: relative;
    overflow: hidden;

    &::after {
        content: '';
        position: absolute;
        bottom: -100px;
        left: -100px;
        width: 300px;
        height: 300px;
        background: linear-gradient(-45deg, rgba(0, 102, 204, 0.05), rgba(0, 82, 163, 0.05));
        border-radius: 50%;
        z-index: 1;
    }
    padding: 60px 0;
    background-color: #fff;
}

.product-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.category-item {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;

    &:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);

        .category-image img {
            transform: scale(1.1);
        }

        .category-info {
    padding: 25px;
    background: #f8f9fa;
    transition: all 0.3s ease;

    h3 {
        font-size: 20px;
        color: #333;
        margin-bottom: 12px;
        font-weight: 600;
        transition: all 0.3s ease;
    }

    p {
        color: #666;
        margin-bottom: 20px;
        line-height: 1.6;
        transition: all 0.3s ease;
    }

    .more {
        display: inline-block;
        padding: 8px 20px;
        background: #0066cc;
        color: #fff;
        border-radius: 5px;
        font-size: 14px;
        font-weight: 500;
        transition: all 0.3s ease;

        &:hover {
            background: #0052a3;
            transform: translateX(5px);
        }
    }
            background: linear-gradient(to right, #0066cc, #0052a3);

            h3, p {
                color: #fff;
            }

            .more {
                background: #fff;
                color: #0066cc;

                &:hover {
                    background: rgba(255, 255, 255, 0.9);
                }
            }
        }
    }
    width: 50%;
    padding: 15px;
    margin-bottom: 30px;
}

.category-item:hover .category-image img {
    transform: scale(1.05);
}

.category-image {
    height: 220px;
    overflow: hidden;

    img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: all 0.5s ease;
    }
    overflow: hidden;
    border-radius: 5px;
    margin-bottom: 15px;
}

.category-image img {
    transition: all 0.5s ease;
}

.category-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.category-info p {
    color: #666;
    margin-bottom: 10px;
}

.category-info .more {
    color: #0066cc;
}

/* 解决方案样式 */
.solution-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
    position: relative;
    overflow: hidden;

    &::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 400px;
        height: 400px;
        background: linear-gradient(45deg, rgba(0, 102, 204, 0.03), rgba(0, 82, 163, 0.03));
        border-radius: 50%;
        transform: translate(200px, -200px);
    }
    padding: 60px 0;
    background-color: #f9f9f9;
}

.solution-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.solution-item {
    background: #fff;
    border-radius: 12px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);

    &::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(to right, #0066cc, #0052a3);
        transform: scaleX(0);
        transition: transform 0.4s ease;
        transform-origin: left;
    }

    &:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);

        &::before {
            transform: scaleX(1);
        }

        .icon {
            transform: rotateY(360deg);
            color: #0066cc;
        }
    }

    .icon {
        font-size: 48px;
        color: #333;
        margin-bottom: 25px;
        transition: all 0.8s ease;
        display: inline-block;
    }

    h3 {
        font-size: 22px;
        color: #333;
        margin-bottom: 15px;
        font-weight: 600;
    }

    p {
        color: #666;
        line-height: 1.7;
        margin-bottom: 25px;
    }

    .learn-more {
        color: #0066cc;
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        transition: all 0.3s ease;

        &::after {
            content: '→';
            margin-left: 5px;
            transition: all 0.3s ease;
        }

        &:hover {
            color: #0052a3;

            &::after {
                transform: translateX(5px);
            }
        }
    }
    width: 25%;
    padding: 15px;
    text-align: center;
}

.solution-icon {
    width: 80px;
    height: 80px;
    line-height: 80px;
    margin: 0 auto 20px;
    background-color: #0066cc;
    border-radius: 50%;
    color: #fff;
    font-size: 36px;
    transition: all 0.3s ease;
}

.solution-item:hover .solution-icon {
    transform: rotateY(360deg);
    background-color: #004499;
}

.solution-item h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.solution-item p {
    color: #666;
}

.solution-more {
    text-align: center;
    margin-top: 30px;
}

/* 新闻中心样式 */
.news-section {
    padding: 60px 0;
    background-color: #fff;
}

.news-item {
    display: flex;
    margin-bottom: 20px;
    background-color: #f9f9f9;
    border-radius: 5px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.news-date {
    width: 80px;
    background-color: #0066cc;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-date .day {
    font-size: 24px;
    font-weight: bold;
}

.news-date .month {
    font-size: 14px;
}

.news-content {
    flex: 1;
    padding: 15px;
}

.news-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
}

.news-content h3 a {
    color: #333;
}

.news-content h3 a:hover {
    color: #0066cc;
}

.news-content p {
    color: #666;
    margin-bottom: 10px;
}

.news-more {
    text-align: center;
    margin-top: 30px;
}

/* 合作伙伴样式 */
.partner-section {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.partner-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.partner-item {
    width: 16.666%;
    padding: 15px;
    text-align: center;
}

.partner-item img {
    filter: grayscale(0);
    opacity: 1;
    transition: all 0.3s ease;
    max-height: 60px;
}

.partner-item:hover img {
    filter: grayscale(0);
    opacity: 1;
}

/* 页脚样式 */
footer {
    background-color: #333;
    color: #fff;
}

.footer-top {
    padding: 60px 0 30px;
}

.footer-nav {
    display: flex;
    flex-wrap: wrap;
}

.footer-col {
    width: 20%;
    padding: 0 15px;
    margin-bottom: 30px;
}

.footer-col h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: #0066cc;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #ccc;
}

.footer-col ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.contact-col ul.contact-info li {
    padding-left: 25px;
    position: relative;
    margin-bottom: 15px;
}

.contact-col ul.contact-info li i {
    position: absolute;
    left: 0;
    top: 3px;
    color: #0066cc;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright p {
    font-size: 12px;
    color: #999;
}

.footer-links a {
    margin-left: 15px;
    color: #999;
    font-size: 12px;
}

.footer-links a:hover {
    color: #fff;
}

/* 响应式样式 */
@media (max-width: 1200px) {
    .container {
        width: 100%;
        padding: 0 15px;
    }
}

@media (max-width: 992px) {
    .about-content {
        flex-direction: column;
    }
    
    .about-text {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .solution-item {
        width: 50%;
    }
    
    .footer-col {
        width: 33.333%;
    }
}

@media (max-width: 768px) {
    .category-item {
        width: 100%;
    }
    
    .solution-item {
        width: 100%;
    }
    
    .partner-item {
        width: 33.333%;
    }
    
    .footer-col {
        width: 50%;
    }
    
    .footer-bottom .container {
        flex-direction: column;
        text-align: center;
    }
    
    .copyright {
        margin-bottom: 10px;
    }
    
    .footer-links a {
        margin: 0 5px;
    }
}

@media (max-width: 576px) {
    .main-header .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .search-box {
        width: 100%;
    }
    
    .nav-menu {
        flex-direction: column;
    }
    
    .dropdown {
        position: static;
        width: 100%;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
    }
    
    .has-dropdown.active .dropdown {
        display: block;
    }
    
    .footer-col {
        width: 100%;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 图标字体 */
[class^="icon-"] {
    font-family: 'iconfont';
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 自定义图标代码将在iconfont.css中定义 */